Tag: "two" at biology news
Indiana University, EPA to study airborne PCBs
...ar Lakes Superior, Michigan, Erie and Ontario) and two
satellite stations (Chicago and Cleveland). IADN will help determine how much of the airborne PCBs fall and dissolve into the Great Lakes. Once in the water, PCBs accumulate or "bioconcentrate" in some Great Lakes fish to concentrations that are thou...
Tracing genes, biologists show lizard migration is traced to Florida
...rs Allan Larson, Ph.D., Jonathan Losos, Ph.D., and two
Cuban collaborators in Havana published their resu... That has caused speculation that a new species or two
is evolving from the genetic card shuffling occurring in Florida. "These lizards have becom...
Marijuana use could cause tubal pregnancies
...effects in the brain and peripheral organs through two
cannabinoid receptors, CB1 and CB2. Lipid molecule...es, called anandamide. After moving to Vanderbilt two
years ago, the researchers found that anandamide regulates implantation of the mouse embryo in the w...
Knock knock knocking on rhythm's neural doors
...ame finger. But the brain processes that make the two
different streams of 'e's are utterly different, a...yoto, Japan showed that control mechanisms for the two
types of movement are quite drastically distinct. The study monitored eleven volunteer subjects, who...
Rice finds 'on-off switch' for buckyball toxicity
...ndesirable." In the study, the researchers exposed two
types of human cells to various solutions containing different concentrations of buckyballs. Four types of solutions were tested. One contained tiny clusters of smooth-surfaced buckyballs. In the other three, researcher s modified the buckyballs by a...
Operation Dangling Dino
... the preparation and curation of the bones (one or two
years), it will be displayed at the museum for the public to enjoy (the skull is already on display at the Utah Museum of Natural History). WHERE: Northeast of Henrieville, Utah, near Highway 12 in The Blues area, south of Powell Point. WHEN:...
New sequence involved in DNA replication timing may aid in cancer detection
...oduced no detectable effect on replication timing, two
copies produced a partial effect, and three copies caused replication to occur in late S phase. The researchers confirmed this finding by removing the LCSs from a late-replicating origin to convert it to an early-replicating origin. "Interestingly," ...
Bronfenbrenner book sums up human development
...United States and abroad. The book is divided into two
parts; the first primarily presents edited version...eword by Lerner, the book includes an afterward by two
of Bronfenbrenner's colleagues at Cornell, Stephen F. Hamilton and Stephen J. Ceci. "In his latest b...
UMaine anthropologist wins Solon T. Kimball Award
...nographs and reports to the Maine legislature. His two
books on the Maine lobster industry are "The Lobster Gangs of Maine," published in 1988, and "Capturing the Commons" in 2003. The second focuses on the management of the lobster industry. ...
Master of antimalarial resistance
...m's resistance to halofantrine and amantadine. The two
drugs are used to treat mild to moderate cases of ...e and amantadine treatment. As resistance to these two
drugs increased, however, the parasites lost their resistance to chloroquine. This unusual pattern--...
Researchers ID chlorophyll-regulating gene
... 2 to 10 millimeters of soil, taking anywhere from two
to seven days to germinate and break through the soil surface. "We found that mutated plants had twice the levels of protochlorophyll than normal, wild-type plants, suggesting that phytochrome acts as a negative regulator for protochlorophyll,"...
'Gene chips' research in cotton could lead to superior variety
...ution Genome Project at Iowa State University. The two
research groups will collectively develop a high-quality DNA microarray resource that is open and accessible to the cotton community. The microarrays will eventually include all favorable genes from cotton researchers so they can be used in c...
Anthrax enzyme images reveal secrets of antibiotic resistance, suggest new drug design
...echnique to make images of the enzyme bound to the two
molecules that the enzyme chemically combines with to make folic acid. Based on these images of the enzyme and its interaction with other molecules, the investigators discovered how it manipulates pABA and DHPP. In addition, the images disclosed a p...
New fossil sheds light on old mystery
...have made its neck a little more flexible. "These two
species are not very closely related, which demonstrates that this strange, long neck evolved twice within the group of protorosaurs," Dr. Rieppel said. Dinocephalosaurus' neck measures 1.7 meters, while its trunk is less than 1 meter long. Some of ...
New hydrothermal vents discovered as 'South Pacific Odyssey' research begins
...ologically unique "back-arc basin" during the next two
years. "This major undertaking will require the co...eteran of over 20 deep-sea expeditions in the last two
decades. "If we're successful, it will also be the first time that a systematic exploration and disc...
Brown research reveals key insight into memory-making
...tiation or LTP. When LTP occurs in the hippocampi, two
curved regions that flank the center of the brain, changes occur in synapses. These connections between neurons the major site for information exchange in the brain become stronger after repeated stimulation. This increased synaptic strength can la...
A long-necked sea predator from China described in Science
...iences in Beijing, China discovered the reptile in two
phases. Li named the creature Dinocephalosaurus or...ly served a functional role in hunting and present two
possible strategies. With its long slender neck and small head, the reptile may have been able to sn...
Poplar DNA code cracked -- a step in combating global warming?
... Forests cover 30% of the world's land area, house two
thirds of life on earth, and are responsible for 9...gton state (USA). The researchers needed just over two
years to determine the 520 million base pairs, distributed among 19 chromosomes. By comparing the g...
Microbes eat their way to better concrete
...ntal Engineering, are conducting the research. The two
recently were awarded $51,601 in additional funding from the National Science Foundation to continue their work. This is the second of a three-year project. During the current funding cycle, Bang and Ramakrishnan plan to develop genetically enginee...
Wolverine takes a road trip
...variety of land ownerships including three states, two
national parks, four national forests, tribal lands, a U.S. Sheep Experiment Station, and private lands," said WCS Conservationist Robert Inman, the lead author of the study. "While these data come from only one individual, they suggest that wolveri...
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